G5 has released The Ghost Archives: Haunting of Shadey Valley for Mac OS X. It's available at the Mac App Store for US$4.99 through Feb. 28 and $6.99 afterwards.

Here's how the game is described: "You're an employee of S.O.U.L., the agency that helps ghosts find eternal rest. In this mysterious thriller, you'll have to uncover the many secrets of Shady Valley and fulfill tasks that keep restless souls in this world.

"Upon your arrival in an abandoned mining town you will be greeted by a large, hulking ghost named Norman Macabre,' who will not only care for your safety but also watch every step you take. As the story goes, the villagers who died here with unfinished business have become earthbound souls who cannot cross over. Allegedly, Norman died in an accidental house fire. He asks you to find his wife and beg her for forgiveness for a crime he committed in the past.

"This won't be easy as many more people are involved into this spine-chilling story and desperately need your help. But your inquiring mind, well-trained 'I Spy' and puzzle solving skills will help you to crack this case. Prove that your intentions are pure by completing challenging tasks as you unravel the truth behind a dramatic sequence of events involving dirty money and a curse. Step by step, collect useful items and find clues to understand the lost souls' needs and help them find peace."